58:57
published on December 3, 2025
High dimensional cohomology of SL_n(Z) and its principal congruence subgroups 2
By Peter Patzt
51:48
published on December 3, 2025
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55:30
published on December 3, 2025
Lattices, Perfects lattices, Voronoi reduction theory, modular forms, computations of isometries and automorphisms 2
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55:18
published on December 3, 2025
A family of $\phi$-congruence subgroups of the modular group
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